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Assessing soil lead contamination in Dallas Texas
K W Brown1, J W Mullins, E P Richitt
1Environmental Monitoring Systems Laboratory, P.O. Box 15027, 89114, Las Vegas, NV, USA.
A 1982 study mapped soil lead levels near Dallas smelters using geostatistics. This environmental monitoring program identified lead distribution patterns in soil, dust, and blood samples.
Area of Science:
- Environmental Science
- Geochemistry
- Public Health
Background:
- Secondary lead smelters can release lead into the environment.
- Lead contamination in soil poses risks to human health.
- Comprehensive environmental monitoring is crucial for assessing exposure.
Purpose of the Study:
- To assess lead contamination in soil, dust, and blood near secondary lead smelters.
- To map soil lead concentrations using geostatistical methods.
- To analyze the distribution of lead in the environment surrounding industrial sites.
Main Methods:
- Collection and analysis of over 2700 soil samples, 1000 blood samples, and 840 house dust samples.
- Application of geostatistical techniques to soil data for spatial analysis.
- Development of isopleths to visualize soil lead concentrations.
Main Results:
- Identified spatial patterns and distributions of soil lead concentrations.
- Geostatistical analysis provided detailed insights into lead contamination.
- Data on lead levels in soil, dust, and blood were collected and analyzed.
Conclusions:
- Geostatistics is an effective tool for mapping environmental lead contamination.
- The study provided a comprehensive assessment of lead exposure near smelters.
- Understanding lead distribution is vital for targeted remediation efforts.
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